Quiz 4, Student name: True – False Questions The term database

Quiz 4, Student name:
True – False Questions
1. The term database refers to a collection of data that is multidimensional in the sense
that internal links between its entries make the information accessible from a variety
of perspectives.
2. A schema is a description of the entire database structure that is used by the
database software to maintain the database.
3. The point at which all the steps in a transaction have been recorded in the log is
called the rollback point.
4. A sequential file is a file that is accessed in a serial manner from its beginning to its
end as though the information in the file were arranged in one long row.
5. To produce a two-dimensional image of the scene by computing how the objects in the
scene would appear in a photograph made by a camera at a specified position. This step
is called rendering.
6. Color patterns can be associated with an object’s surface by means of a process known
as texture mapping.
7. After identifying and discarding the objects that do not intersect the view volume,
the remaining objects are trimmed by a process known as clipping, which essentially
slices off the portion of each object that lies outside the view volume.
8. An agent is a “device” that responds to stimuli from its environment.
9. The Turing test (proposed by Alan Turing in 1950) has served as a benchmark in measuring
progress in the field of artificial intelligence.
10. A solution can sometimes be discovered through an evolutionary process involving many
generations of trial solutions, chromosomes, crossovers and mutations. This strategy
is the foundation for what is called genetic algorithms.
For the employee relation given above, write a SQL statement to select the employees whose
EmplId is not 45y51 and name is “joe baker”.
Give the results of the join operation that (A.V=B.X) on the given two relations A and B.
Write the definition of the Rendering.
Give the definition of scan conversion.
OPENGL is a ……………………………………………………………
Draw a search tree for the given 8 puzzle.
Your tree will have height 3.
Do not write more that this.
What is a heuristic.
If the model you will apply is given as this one on the left handside. What will be the next
state of the graph on the middle. White circles are sending inputs whereas grays are
inactive.
Current state
Draw your new state here